Sleep In Comfort The Sheet Holders Are Very Easy to Attach And The Clips Are Also Under Tension. Because They Are Adjustable In Length, You Can Adjust It to Perfectly Fit The Pad, Blanket, Sofa Or Playpen. Never Worry About Messy Sheets Again! Finally There Are No More Cases That Rob You of Your Sleep. . Extension System 3-Piece Elastic Bands of Each Bed Sheet Stretcher Are Made of Nylon, Which Have Good Elasticity And Smooth Texture / With The Adjustable Ladder Buckle, The Bed Sheet Stretcher Can Extend From 90Cm to 180Cm ( Even More Than 3M When Stretched). Triangle Is More Stable Than Other Shape.Durable Clamp Design Sturdy Chrome Metal Clips, The Built-In Plastic Clamp System Not Only Holds Your Sheets Firmly But Also Protects The Fabric of Your Sheets From Damage. .Multipurpose Our Mattress Holders Can Also Be Used As Elastic Stretchers for Tablecloth Covers, Grill Covers, Car Seat Covers, Boat Covers, Motorcycle Covers, Scooter Seat Covers, Sofa Seat Covers, Chair Covers, Etc. . Guarantee Enjoy The Exclusive Design And Excellent Quality of The Sheet Tensioner At A Fair Price! We Promise A 60-Day Warranty From The Date of Purchase. If You Have Any Problems With Our Bed Sheet Stretcher, We Are Always Here for You. .